rpmlog.h

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#ifndef H_RPMLOG
#define H_RPMLOG 1

#include <stdarg.h>
#include <stdio.h>

#include <rpm/rpmutil.h>

#ifdef __cplusplus
extern "C" {
#endif

typedef enum rpmlogLvl_e {
    RPMLOG_EMERG    = 0,    
    RPMLOG_ALERT    = 1,    
    RPMLOG_CRIT     = 2,    
    RPMLOG_ERR      = 3,    
    RPMLOG_WARNING  = 4,    
    RPMLOG_NOTICE   = 5,    
    RPMLOG_INFO     = 6,    
    RPMLOG_DEBUG    = 7 
} rpmlogLvl;

#define RPMLOG_PRIMASK  0x07    /* mask to extract priority part (internal) */
                /* extract priority */
#define RPMLOG_PRI(p)   ((p) & RPMLOG_PRIMASK)
#define RPMLOG_MAKEPRI(fac, pri)    ((((unsigned)(fac)) << 3) | (pri))
#define RPMLOG_NPRIS    (RPMLOG_DEBUG + 1)

/*
 * arguments to setlogmask.
 */
#define RPMLOG_MASK(pri) (1 << ((unsigned)(pri)))   
#define RPMLOG_UPTO(pri) ((1 << (((unsigned)(pri))+1)) - 1) 
/*
 * Option flags for openlog.
 *
 * RPMLOG_ODELAY no longer does anything.
 * RPMLOG_NDELAY is the inverse of what it used to be.
 */
#define RPMLOG_PID  0x01    
#define RPMLOG_CONS 0x02    
#define RPMLOG_ODELAY   0x04    
#define RPMLOG_NDELAY   0x08    
#define RPMLOG_NOWAIT   0x10    
#define RPMLOG_PERROR   0x20    
#define RPMLOG_DEFAULT  0x01    
#define RPMLOG_EXIT 0x02    
typedef struct rpmlogRec_s * rpmlogRec;

const char * rpmlogRecMessage(rpmlogRec rec);

rpmlogLvl rpmlogRecPriority(rpmlogRec rec);

typedef void * rpmlogCallbackData;

typedef int (*rpmlogCallback) (rpmlogRec rec, rpmlogCallbackData data);

int rpmlogGetNrecsByMask(unsigned mask);

int rpmlogGetNrecs(void)    ;

void rpmlogPrintByMask(FILE *f, unsigned mask);

void rpmlogPrint(FILE *f);

void rpmlogClose (void);

void rpmlogOpen (const char * ident, int option, int facility);

int rpmlogSetMask (int mask);

void rpmlog (int code, const char *fmt, ...) RPM_GNUC_PRINTF(2, 3);

const char * rpmlogMessage(void);

int rpmlogCode(void);

const char * rpmlogLevelPrefix(rpmlogLvl pri);

rpmlogCallback rpmlogSetCallback(rpmlogCallback cb, rpmlogCallbackData data);

FILE * rpmlogSetFile(FILE * fp);

#define rpmSetVerbosity(_lvl)   \
    ((void)rpmlogSetMask( RPMLOG_UPTO( RPMLOG_PRI(_lvl))))
#define rpmIncreaseVerbosity()  \
    ((void)rpmlogSetMask(((((unsigned)(rpmlogSetMask(0) & 0xff)) << 1) | 1)))
#define rpmDecreaseVerbosity()  \
    ((void)rpmlogSetMask((((int)(rpmlogSetMask(0) & 0xff)) >> 1)))
#define rpmIsNormal()       \
    (rpmlogSetMask(0) >= RPMLOG_MASK( RPMLOG_NOTICE ))
#define rpmIsVerbose()      \
    (rpmlogSetMask(0) >= RPMLOG_MASK( RPMLOG_INFO ))
#define rpmIsDebug()        \
    (rpmlogSetMask(0) >= RPMLOG_MASK( RPMLOG_DEBUG ))

#ifdef __cplusplus
}
#endif

#endif /* H_RPMLOG */